TB 143cc, Forged V2 Big Bore Kit – KLX110 & Z125 TBparts NEW forged V2 piston 143cc big bore kit. If you already have our V2 Race Head and need a new FORGED PISTON 143cc bore kit, this is the one you want! It comes with our all new high compression FORGED piston kit for…
TB 165cc Bore Kit, Race Head V2, and Intake Manifold Kit TB 165cc Big Bore Kit, Race Head V2, and Intake Manifold Kit – This is the next step up in power after the 143cc kits.  Of course, the upside is the extra power but the one downside is this particular kit requires engine dis-assembly and…
165cc Race Head V2 Upgrade Kit: Race Head V2 – Roller rockers, 30mm intake valve, 24.5mm exhaust valve, 27mm intake port, 23mm exhaust port (valves installed). Race Camshaft V2-2 for Race Head V2 Head gasket kit – includes the cylinder head o-ring set and an exhaust gasket. If you already have our 165 bore kit,…
170cc to 184cc Big Bore Kitand 28mm Carburetor Performance Kit: All aluminum ceramic plated 64mm cylinder with skirt We increased the skirt height and size on the lightweight high compression 64mm piston with rings, pin, & clips to increase reliability and service life (picture is not updated yet showing piston change) Head gasket kit –…
TB 178cc Bore kit, 67mm – KLX110 All Models 178cc Big Bore Performance Kit (67mm): The all aluminum ceramic coated cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction (increasing power), improves sealing, and provides better heat transfer (runs and cools down quicker). This new cylinder along with a complete head gasket kit and domed piston will…
TB 178cc Bore Kit, Race Head V2, and Intake Manifold Kit TB 178cc Big Bore Kit, Race Head V2, and Intake Manifold Kit – This is the final step in power gains as far as cylinder size goes.  Like the 165cc kits, installation of this kit requires engine dis-assembly and case boring.  The engine cases cant…
TB 26mm Performance Carb Kit, Mikuni VM26 – KLX140 Mikuni VM26mm Performance Carb Kit This is one of the best, if not the best, carb kit to run on the KLX140 with or without a big bore kit! The Mikuni VM26 has a proven track record of high performance, quality, and easy tuning. The VM26…
 TB 52 54mm V2 Top End Gasket Kit TBparts replacement 54 52mm V2 Top End Gasket Kit. For use on TB 88cc, 95cc, 108cc, 114cc, and 117cc V2 setups. 52mm kits are 88cc and 108cc 54mm kits are 95cc, 114cc and 117cc
TB 55mm Top End Gasket Kit, 149cc – Grom 2022+ TBparts 55mm Top End Gasket Kit for the Honda Grom and Monkey 149cc bore kit. High quality replacement top end gasket kit.
TB 88cc Big Bore kit, Race Head, & 20mm Carb Kit – K0-78 Models TBparts complete 88cc bore kit, Race Head, and 20mm Performance carb kit. This complete 88cc Race Head Kit will really wake up your stock engine and is comparable in power to the much larger Chinese 124cc engines!!! They are extremely reliable…
TBparts adjustable needle for the factory carb. The factory carburetor comes with one needle clip position which can be a limiting factor when jetting a carburetor. These fit all models of the KLX110 and KLX140.
Air Box Removal Bracket TB Air Box Removal Bracket – It it helps support the tank shroud after removing the air box for the installation of a performance carb kit or air filter.
TB Air Filter, Foam, 46mm – Small Nibbi Carbs TBparts 46mm pancake style air filter. This was made to fit Nibbi carbs PE17-22. Our filters are made to the highest standards possible for the best value. This is our best value filter. It is as small as possible to fit the best in the most…